Transaction not yet indexed

Sz6cW9GuRJr1z7pdA7HvSyadRPfEbKs16VKo4PcyQrYTfJECtqGaSiWwPwQtYUXZ8B9n5frUwtghwPMNc3Kygd7

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.